\documentclass{deltares_wlmemo}
\begin{document}
\memoVersion{memo-version}
\memoTo{memo-to}
\memoFrom{memo-from}
\memoSubject{memo-subject}
\memoDate {memo-date}
\memoTelephone{+31\,(0)88\,335\,8568}
\memoEmail{jan.mooiman@deltares nl}
\memoCopy{memo-copy}
\memoAction{memo-action}

\deltarestitle
%------------------------------------------------------------------------------

% Text body

%------------------------------------------------------------------------------
\end{document}
